cac-4290-1 check valve front view
cac-4290-1 check valve front view cac-4290-1 check valve side view

CAC-4290-1 Check Valve 1/2 tank Thread 3/8 Compression with 1/8 Hose Barb

In stock
Part Number
CAC-4290-1
$18.68
Part Number: CAC-4290-1
Shipping Weight: 0.3125 Lbs

Check valve CAC-4290-1 is an air compressor valve part. The CAC-4290-1 features a half inch pipe thread into the air compressor tank with a 3/8 compression fitting for the discharge line from the air compressor pump. The 1/8 pipe thread port comes with a pre-installed quarter inch hose barb fitting.


The CAC-4290-1 check valve prevents backflow in an air compressor's air flow system without sacrificing pressure or power.


CAC-4290-1 services air compressors from several major brands, including DeVilbiss, Craftsman, Porter Cable, DeWalt, and more.

Valve CAC-4290-1 Specifications

  • Tube Compression Inlet: 3/8 in.
  • Compression Outlet: 1/2 in.
  • Maximum Air Flow Rate: 20 SCFM
  • Maximum Pressure: 450 psi
  • Maximum Temperature: 400°F
  • Dimensions: 2 3/8 x 1 3/7/Hex
  • Weight: 0.2 lbs.
  • Body Material: Brass

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